| 单词 | play a role in |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔TAKE PART/BE INVOLVED〕Hart clearly played a role in the decision to change admission standards. 哈特显然有参与修改入学标准的决定。朗文写作活用〔play-act〕To play a role in a dramatic performance.演出：在戏剧表演中扮演角色美国传统〔prevention〕Exercise and diet play a role in the prevention of heart disease.锻炼和健康饮食有助于预防心脏病。韦氏高阶〔role〕Scientists can also play a role in improving energy efficiency in their laboratories.科学家在实验室里也能对提高能源使用效率作出贡献。朗文当代CFCs seem to play a role in depleting the ozone layer.含氯氟烃（氟利昂）似乎起了耗尽臭氧层的作用。剑桥国际Their doctor played a role in opening channels of communication between the two families.他们的医生起了开辟两个家庭之间的交流途径的作用。剑桥国际 |
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